<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>test</title>
</head>
<body>
    <DIV class="test">标签名大写</DIV>
    <div ID="test">属性名大写</div>
    <input type="checkbox" checked />
    <p>标签不结束1
    <p>标签不结束2
    <div style=color:red>属性不带引号</div>
</body>
</html>
